{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["vehicle", "person", "organization", "geographical phenomenon", "location", "media"], "input": "The Norfolk and Western Railway decided to make a change in which the motion-limiting bumpers were placed on the front of the signal instead of inside at the rear , so that the torque on the armature was reduced ."}
{"vehicle": [], "person": [], "organization": ["Norfolk and Western Railway"], "geographical phenomenon": [], "location": [], "media": []}